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    <title>鼠标焦点经过表格,背景突出显示</title>
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  <body>
    <div class="tab">
      <table border="1px">
        <thead>
          <tr>
            <th>产品</th>
            <th>价格</th>
            <th>ID</th>
            <th class="prominent">质量</th>
            <th>日期</th>
          </tr>
        </thead>
        <tbody>
          <!-- 第一行 -->
          <tr>
            <td>Pro 1</td>
            <td>51 ￥</td>
            <td>4587</td>
            <td>Good</td>
            <td>2009/8/12</td>
          </tr>
          <!-- 第二行 -->
          <tr>
            <td>Pro 2</td>
            <td>51 ￥</td>
            <td>4587</td>
            <td>Good</td>
            <td>2009/8/12</td>
          </tr>
          <tr>
            <td>Pro 3</td>
            <td>51 ￥</td>
            <td>4587</td>
            <td>Good</td>
            <td>2009/8/12</td>
          </tr>
          <tr>
            <td>Pro 4</td>
            <td>51 ￥</td>
            <td>4587</td>
            <td>Good</td>
            <td>2009/8/12</td>
          </tr>
          <tr>
            <td>Pro 5</td>
            <td>51 ￥</td>
            <td>4587</td>
            <td>Good</td>
            <td>2009/8/12</td>
          </tr>
          <tr>
            <td>Pro 6</td>
            <td>51 ￥</td>
            <td>4587</td>
            <td>Good</td>
            <td>2009/8/12</td>
          </tr>
        </tbody>
      </table>
    </div>
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